American Health Ester-C® with Citrus Bioflavonoids, 90 Capsules supplement bottle
American Health

Ester-C® with Citrus Bioflavonoids, 90 Capsules

What We Researched
3 active ingredients analyzed · 2 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
83
Product Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Ester-C® Calcium Ascorbate) 1,000 mg 1,111%
Calcium (as Ester-C® Calcium Ascorbate) 108 mg 8%
Citrus Bioflavonoids ComplexCitrus Bioflavonoids (Citrus spp.) (fruit), Sweet Orange, Tangerine, Lime, Lemon, Acerola, Rutin, Hesperidin Complex (Citrus spp.) (fruit), Naturally Occurring Vitamin C Metabolites 200 mg **
Bioavailability Excellent

Absorption Rating

  • Vitamin C (as Ester-C® Calcium Ascorbate) Good
  • Calcium (as Ester-C® Calcium Ascorbate) Good
  • Citrus Bioflavonoids ComplexCitrus Bioflavonoids (Citrus spp.) (fruit), Sweet Orange, Tangerine, Lime, Lemon, Acerola, Rutin, Hesperidin Complex (Citrus spp.) (fruit), Naturally Occurring Vitamin C Metabolites Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Vegetable Magnesium Stearate
Efficacy Poor

Dosage Analysis

  • Vitamin C (as Ester-C® Calcium Ascorbate) 1,000 mg Effective
  • Calcium (as Ester-C® Calcium Ascorbate) 108 mg Under-dosed
  • Citrus Bioflavonoids ComplexCitrus Bioflavonoids (Citrus spp.) (fruit), Sweet Orange, Tangerine, Lime, Lemon, Acerola, Rutin, Hesperidin Complex (Citrus spp.) (fruit), Naturally Occurring Vitamin C Metabolites 200 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as Ester-C® Calcium Ascorbate) 1,000 mg 1,111%
Calcium (as Ester-C® Calcium Ascorbate) 108 mg 8%
Citrus Bioflavonoids ComplexCitrus Bioflavonoids (Citrus spp.) (fruit), Sweet Orange, Tangerine, Lime, Lemon, Acerola, Rutin, Hesperidin Complex (Citrus spp.) (fruit), Naturally Occurring Vitamin C Metabolites 200 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Vegetable Magnesium Stearate Safe

Prevents ingredients from sticking to equipment. Derived from vegetable sources.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$24$23$22$21$20 Mar 12 $22.00
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
American Health

· Bohemia, NY, USA · 25 products · americanhealthus.com/

Transparency

2 claims
Third Party Testing Claim — Claimed

Violation History

2 incidents
Lawsuit FTC charged The Bountiful Company with 'review hijacking' on Amazon.com, deceiving consumers by merging new products with different, well-established products to steal their positive ratings and reviews.2023Source
Lawsuit FTC charged NBTY, Inc. (former name) with violating a 1995 order by making unsubstantiated claims that products could cause weight loss or cure various health problems.2005Source
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Frequently Asked Questions
Is American Health Ester-C® with Citrus Bioflavonoids, 90 Capsules a good supplement?

American Health Ester-C® with Citrus Bioflavonoids, 90 Capsules received a product quality score of 83/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 3 active ingredients All 2 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives.

What are the ingredients in American Health Ester-C® with Citrus Bioflavonoids, 90 Capsules?

American Health Ester-C® with Citrus Bioflavonoids, 90 Capsules contains 3 active ingredients: Vitamin C (as Ester-C® Calcium Ascorbate) (1,000 mg), Calcium (as Ester-C® Calcium Ascorbate) (108 mg), Citrus Bioflavonoids ComplexCitrus Bioflavonoids (Citrus spp.) (fruit), Sweet Orange, Tangerine, Lime, Lemon, Acerola, Rutin, Hesperidin Complex (Citrus spp.) (fruit), Naturally Occurring Vitamin C Metabolites (200 mg). Notable high-dose ingredients include Vitamin C at 1,111% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is American Health Ester-C® with Citrus Bioflavonoids, 90 Capsules safe to take?

American Health Ester-C® with Citrus Bioflavonoids, 90 Capsules has been analyzed for ingredient safety across all its components. All 2 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.